Shower valve



FIG. 1 is a first perspective view of a shower valve showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a perspective view of another state of the shower valve thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the shower valve and form no part of the claimed design. 

CLAIM The ornamental design for a shower valve, as shown and described. 